]> git.ktnx.net Git - mobile-ledger.git/blobdiff - app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java
more pronounced day/month delimiters in the transaction list
[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / model / LedgerTransaction.java
index 9db9f2995e03755c41eeb99c347e65d3509a1a36..cef83169f7a35ec21b304f08eb7c0b5b9dd25983 100644 (file)
 /*
- * Copyright © 2018 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * Copyright © 2021 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your opinion), any later version.
  *
- * Mobile-Ledger is distributed in the hope that it will be useful,
+ * MoLe is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License terms for details.
  *
  * You should have received a copy of the GNU General Public License
- * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  */
 
 package net.ktnx.mobileledger.model;
 
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.util.Log;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
+import net.ktnx.mobileledger.db.Profile;
+import net.ktnx.mobileledger.db.Transaction;
+import net.ktnx.mobileledger.db.TransactionAccount;
+import net.ktnx.mobileledger.db.TransactionWithAccounts;
 import net.ktnx.mobileledger.utils.Digest;
+import net.ktnx.mobileledger.utils.Globals;
+import net.ktnx.mobileledger.utils.SimpleDate;
 
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.security.NoSuchAlgorithmException;
+import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.Comparator;
+import java.util.List;
 
 public class LedgerTransaction {
     private static final String DIGEST_TYPE = "SHA-256";
-    public final Comparator<LedgerTransactionAccount> comparator =
-            new Comparator<LedgerTransactionAccount>() {
-                @Override
-                public int compare(LedgerTransactionAccount o1, LedgerTransactionAccount o2) {
-                    int res = o1.getAccountName().compareTo(o2.getAccountName());
-                    if (res != 0) return res;
-                    res = o1.getCurrency().compareTo(o2.getCurrency());
-                    if (res != 0) return res;
-                    return Float.compare(o1.getAmount(), o2.getAmount());
-                }
-            };
-    private Integer id;
-    private String date;
+    public final Comparator<LedgerTransactionAccount> comparator = (o1, o2) -> {
+        int res = o1.getAccountName()
+                    .compareTo(o2.getAccountName());
+        if (res != 0)
+            return res;
+        res = o1.getCurrency()
+                .compareTo(o2.getCurrency());
+        if (res != 0)
+            return res;
+        res = o1.getComment()
+                .compareTo(o2.getComment());
+        if (res != 0)
+            return res;
+        return Float.compare(o1.getAmount(), o2.getAmount());
+    };
+    private final long profile;
+    private final long ledgerId;
+    private final List<LedgerTransactionAccount> accounts;
+    private long dbId;
+    private SimpleDate date;
     private String description;
-    private ArrayList<LedgerTransactionAccount> accounts;
-    public LedgerTransaction(Integer id, String date, String description) {
-        this.id = id;
+    private String comment;
+    private String dataHash;
+    private boolean dataLoaded;
+    public LedgerTransaction(long ledgerId, String dateString, String description)
+            throws ParseException {
+        this(ledgerId, Globals.parseLedgerDate(dateString), description);
+    }
+    public LedgerTransaction(TransactionWithAccounts dbo) {
+        this(dbo.transaction.getLedgerId(), dbo.transaction.getProfileId());
+        dbId = dbo.transaction.getId();
+        date = new SimpleDate(dbo.transaction.getYear(), dbo.transaction.getMonth(),
+                dbo.transaction.getDay());
+        description = dbo.transaction.getDescription();
+        comment = dbo.transaction.getComment();
+        dataHash = dbo.transaction.getDataHash();
+        if (dbo.accounts != null)
+            for (TransactionAccount acc : dbo.accounts) {
+                accounts.add(new LedgerTransactionAccount(acc));
+            }
+        dataLoaded = true;
+    }
+    public TransactionWithAccounts toDBO() {
+        TransactionWithAccounts o = new TransactionWithAccounts();
+        o.transaction = new Transaction();
+        o.transaction.setId(dbId);
+        o.transaction.setProfileId(profile);
+        o.transaction.setLedgerId(ledgerId);
+        o.transaction.setYear(date.year);
+        o.transaction.setMonth(date.month);
+        o.transaction.setDay(date.day);
+        o.transaction.setDescription(description);
+        o.transaction.setComment(comment);
+        fillDataHash();
+        o.transaction.setDataHash(dataHash);
+
+        o.accounts = new ArrayList<>();
+        int orderNo = 1;
+        for (LedgerTransactionAccount acc : accounts) {
+            TransactionAccount a = acc.toDBO();
+            a.setOrderNo(orderNo++);
+            a.setTransactionId(dbId);
+            o.accounts.add(a);
+        }
+        return o;
+    }
+    public LedgerTransaction(long ledgerId, SimpleDate date, String description, Profile profile) {
+        this.profile = profile.getId();
+        this.ledgerId = ledgerId;
         this.date = date;
         this.description = description;
         this.accounts = new ArrayList<>();
         this.dataHash = null;
         dataLoaded = false;
     }
-    private String dataHash;
-    private boolean dataLoaded;
-    public ArrayList<LedgerTransactionAccount> getAccounts() {
-        return accounts;
+    public LedgerTransaction(long ledgerId, SimpleDate date, String description) {
+        this(ledgerId, date, description, Data.getProfile());
     }
-    public LedgerTransaction(String date, String description) {
-        this(null, date, description);
+    public LedgerTransaction(SimpleDate date, String description) {
+        this(0, date, description);
+    }
+    public LedgerTransaction(int ledgerId) {
+        this(ledgerId, (SimpleDate) null, null);
+    }
+    public LedgerTransaction(long ledgerId, long profileId) {
+        this.profile = profileId;
+        this.ledgerId = ledgerId;
+        this.date = null;
+        this.description = null;
+        this.accounts = new ArrayList<>();
+        this.dataHash = null;
+        this.dataLoaded = false;
     }
-    public LedgerTransaction(int id) {
-        this(id, null, null);
+    public List<LedgerTransactionAccount> getAccounts() {
+        return accounts;
     }
     public void addAccount(LedgerTransactionAccount item) {
         accounts.add(item);
         dataHash = null;
     }
-    public String getDate() {
+    @Nullable
+    public SimpleDate getDateIfAny() {
+        return date;
+    }
+    @NonNull
+    public SimpleDate getDate() {
+        if (date == null)
+            throw new IllegalStateException("Transaction has no date");
         return date;
     }
-    public void setDate(String date) {
+    public void setDate(SimpleDate date) {
         this.date = date;
         dataHash = null;
     }
@@ -82,37 +158,42 @@ public class LedgerTransaction {
         this.description = description;
         dataHash = null;
     }
-    public int getId() {
-        return id;
+    public String getComment() {
+        return comment;
     }
-    public void insertInto(SQLiteDatabase db) {
-        fillDataHash();
-        db.execSQL("INSERT INTO transactions(id, date, description, data_hash) values(?,?,?,?)",
-                new Object[]{id, date, description, dataHash});
-
-        for (LedgerTransactionAccount item : accounts) {
-            db.execSQL("INSERT INTO transaction_accounts(transaction_id, account_name, amount, " +
-                       "currency) values(?, ?, ?, ?)",
-                    new Object[]{id, item.getAccountName(), item.getAmount(), item.getCurrency()});
-        }
+    public void setComment(String comment) {
+        this.comment = comment;
     }
-    private void fillDataHash() {
-        if (dataHash != null) return;
+    public long getLedgerId() {
+        return ledgerId;
+    }
+    protected void fillDataHash() {
+        if (dataHash != null)
+            return;
         try {
             Digest sha = new Digest(DIGEST_TYPE);
             StringBuilder data = new StringBuilder();
-            data.append(getId());
+            data.append("ver1");
+            data.append(profile);
+            data.append(getLedgerId());
             data.append('\0');
             data.append(getDescription());
             data.append('\0');
+            data.append(getComment());
+            data.append('\0');
+            data.append(Globals.formatLedgerDate(getDate()));
+            data.append('\0');
             for (LedgerTransactionAccount item : accounts) {
                 data.append(item.getAccountName());
                 data.append('\0');
                 data.append(item.getCurrency());
                 data.append('\0');
                 data.append(item.getAmount());
+                data.append('\0');
+                data.append(item.getComment());
             }
-            sha.update(data.toString().getBytes(Charset.forName("UTF-8")));
+            sha.update(data.toString()
+                           .getBytes(StandardCharsets.UTF_8));
             dataHash = sha.digestToHexString();
         }
         catch (NoSuchAlgorithmException e) {
@@ -120,40 +201,37 @@ public class LedgerTransaction {
                     String.format("Unable to get instance of %s digest", DIGEST_TYPE), e);
         }
     }
-    public boolean existsInDb(SQLiteDatabase db) {
+    public String getDataHash() {
         fillDataHash();
-        try (Cursor c = db
-                .rawQuery("SELECT 1 from transactions where data_hash = ?", new String[]{dataHash}))
-        {
-            boolean result = c.moveToFirst();
-            Log.d("db", String.format("Transaction %d (%s) %s", id, dataHash,
-                    result ? "already present" : "not present"));
-            return result;
-        }
+        return dataHash;
     }
-    public void loadData(SQLiteDatabase db) {
-        if (dataLoaded) return;
-
-        try (Cursor cTr = db.rawQuery("SELECT date, description from transactions WHERE id=?",
-                new String[]{String.valueOf(id)}))
-        {
-            if (cTr.moveToFirst()) {
-                date = cTr.getString(0);
-                description = cTr.getString(1);
+    public void finishLoading() {
+        dataLoaded = true;
+    }
+    @Override
+    public boolean equals(@Nullable Object obj) {
+        if (obj == null)
+            return false;
+        if (!obj.getClass()
+                .equals(this.getClass()))
+            return false;
 
-                try (Cursor cAcc = db.rawQuery("SELECT account_name, amount, currency FROM " +
-                                               "transaction_accounts WHERE transaction_id = ?",
-                        new String[]{String.valueOf(id)}))
-                {
-                    while (cAcc.moveToNext()) {
-                        addAccount(new LedgerTransactionAccount(cAcc.getString(0), cAcc.getFloat(1),
-                                cAcc.getString(2)));
-                    }
+        return ((LedgerTransaction) obj).getDataHash()
+                                        .equals(getDataHash());
+    }
 
-                    dataLoaded = true;
-                }
-            }
+    public boolean hasAccountNamedLike(String name) {
+        name = name.toUpperCase();
+        for (LedgerTransactionAccount acc : accounts) {
+            if (acc.getAccountName()
+                   .toUpperCase()
+                   .contains(name))
+                return true;
         }
 
+        return false;
+    }
+    public void markDataAsLoaded() {
+        dataLoaded = true;
     }
 }